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Update Com Substr


Halfar
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preciso dar um update numa tabela, mas a condicao da pesquisa envolve a funcao substr.

Veja só:

Tenho o campo valor1 na tabela, e tenho tres registros com os valores:

abcd

abce

accf

eu quero dar um update no campo valor1, mas somente para os conteudos dos campos que comecem com as letras ac

No caso em tela, somente iria ser alterado o ultimo registro (accf), pois é o único registro que comeca com ac

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